Mining conditions of backfill mining face General situation of backfill mining face Geological conditions No 13080 backfill panel, with an incline width of 100 m, an advancing length of 350
For the backfilling mining method, when the mine-out area is filled with backfill body, the stability of overburden strata is maintained by the backfill body, coal pillar, and load-bearing strata, as
